Datasheet

TLC3544, TLC3548
5-V ANALOG, 3-/5-V DIGITAL, 14-BIT, 200-KSPS, 4-/8-CHANNELS SERIAL
ANALOG-TO-DIGITAL CONVERTERS WITH 0-5 V (PSEUDODIFFERENTIAL) INPUTS
SLAS266C – OCTOBER 2000 – REVISED MAY 2003
31
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 24
T
A
– Free-Air Temperature – °C
0.4
0.5
0.6
0.7
0.8
0.9
1.0
–65 –35 –5255585
Internal Reference = 4 V
AV
DD
= 5 V
INL and DNL – LSB
INL AND DNL
vs
FREE-AIR TEMPERATURE
INL (LSB)
DNL (LSB)
Figure 25
T
A
– Free-Air Temperature – °C
–16
–14
–12
–10
–8
–6
–4
–2
0
2
4
–65 –35 –5255585
External Reference = 4 V
AV
DD
= 5 V
Zero Offset and Gain Error – LSB
ZERO OFFSET AND
G
AIN ERROR (LSB)
vs
FREE-AIR TEMPERATURE
Zero Offset (LSB)
Gain Error (LSB)
–180
–140
–100
–60
–20
20
0 102030405060708090100
FFT OF SNR
vs
FREQUENCY
f – Frequency – kHz
FFT of SNR – dB
External Reference = 4 V
AV
DD
= 5 V
T
A
= 25°C
200 KSPS
Input Signal: 20 kHz, 0 dB
Figure 26